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ICH: Add some HashStable implementations.

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This commit is contained in:
Michael Woerister 2017-06-02 17:34:24 +02:00
parent b6e8635fef
commit 7fc84907dc
2 changed files with 40 additions and 1 deletions
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15
src/librustc/ich/impls_hir.rs
View File

@ -12,7 +12,7 @@
//! types in no particular order.
use hir;
use hir::def_id::DefId;
use hir::def_id::{DefId, CrateNum, CRATE_DEF_INDEX};
use ich::{StableHashingContext, NodeIdHashingMode};
use std::mem;
@ -46,6 +46,19 @@ impl<'a, 'gcx, 'tcx> HashStable<StableHashingContext<'a, 'gcx, 'tcx>> for hir::H
}
}
impl<'a, 'gcx, 'tcx> HashStable<StableHashingContext<'a, 'gcx, 'tcx>> for CrateNum {
#[inline]
fn hash_stable<W: StableHasherResult>(&self,
hcx: &mut StableHashingContext<'a, 'gcx, 'tcx>,
hasher: &mut StableHasher<W>) {
hcx.def_path_hash(DefId {
krate: *self,
index: CRATE_DEF_INDEX
}).hash_stable(hcx, hasher);
}
}
impl_stable_hash_for!(tuple_struct hir::ItemLocalId { index });
// The following implementations of HashStable for ItemId, TraitItemId, and

26
src/librustc_data_structures/stable_hasher.rs
View File

@ -244,6 +244,14 @@ impl<CTX> HashStable<CTX> for f64 {
}
}
impl<T1: HashStable<CTX>, CTX> HashStable<CTX> for (T1,) {
fn hash_stable<W: StableHasherResult>(&self,
ctx: &mut CTX,
hasher: &mut StableHasher<W>) {
self.0.hash_stable(ctx, hasher);
}
}
impl<T1: HashStable<CTX>, T2: HashStable<CTX>, CTX> HashStable<CTX> for (T1, T2) {
fn hash_stable<W: StableHasherResult>(&self,
ctx: &mut CTX,
@ -273,6 +281,24 @@ impl<T: HashStable<CTX>, CTX> HashStable<CTX> for Vec<T> {
}
}
impl<T: HashStable<CTX>, CTX> HashStable<CTX> for ::std::rc::Rc<T> {
#[inline]
fn hash_stable<W: StableHasherResult>(&self,
ctx: &mut CTX,
hasher: &mut StableHasher<W>) {
(**self).hash_stable(ctx, hasher);
}
}
impl<T: HashStable<CTX>, CTX> HashStable<CTX> for ::std::sync::Arc<T> {
#[inline]
fn hash_stable<W: StableHasherResult>(&self,
ctx: &mut CTX,
hasher: &mut StableHasher<W>) {
(**self).hash_stable(ctx, hasher);
}
}
impl<CTX> HashStable<CTX> for str {
#[inline]
fn hash_stable<W: StableHasherResult>(&self,